Deep Agents and OpenCode are now available in the AI SDK Harness

Short summary

Vercel's AI SDK Harness now supports Deep Agents and OpenCode as new runtime adapters, enabling developers to switch between coding-agent frameworks without code changes. Both run in Vercel Sandbox with multi-turn sessions, tool approvals, and custom model/provider selection. The harness now supports five total runtimes: Claude Code, Codex, Deep Agents, OpenCode, and Pi.

• •Deep Agents and OpenCode now available as AI SDK Harness adapters
• •Unified interface for switching between coding-agent runtimes without code changes
• •Both support multi-turn sessions, tool approvals, and custom model/provider selection

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